[Bug c++/95351] Comparison with NAN optimizes incorrectly with -ffast-math disabled

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95351

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
It might not be the issue, but merge_truthop_with_opposite_arm has a suspicious
HONOR_NANS (type) where type is bool: the result of the comparison instead of
one of the arguments.